The ball pressure gauge is able to show the precise pressure of the ball you have inflated and prevent deflation. Ball pressure gauge: for football, air pressure range is 8.5-16psi (0.6-1.1 bar), basketball 7.0-9.0psi(05-0.6bar) and volleyball 5.7-6.4psi (0.4- 0.44bar) as a reference. Choose a suitable pressure for different balls. Easy to use: just insert the needle into the ball valve, you can read the reading in seconds, this inflatable hand pump is compatible with all sports balls and all other inflatable sports balls. The dial is easy to read, the numbers and lines are clearly printed for easy reading. Ideal for sports enthusiasts who play any type of sport that uses an inflatable ball. Specification: Condition: 100% Brand New Item Type : Ball Pressure Gauge Material: Metal Color: As the picture show Weight: 95g Plate Diameter of dial: 4.5 cm Product size: 11 x 4.5 x 3 cm/4.3 x 1.8 x 1.2 in Package list: 1 time Ball pressure gauge"